How to Prepare an Opening to Replace Bifold Doors If you're planning to replace your bifold doors, you need to select the right one. Make sure they're weatherproofed and sealed properly to stop water infiltration and air leaks. To ensure a smooth installation, get a partner to assist. The kit https://bifold-door-roller-replac62526.thezenweb.com/10-unquestionable-reasons-people-hate-bi-fold-repairs-68357007